GNU bug report logs - #66941
29.1; Emacs on Windows can't display CJK characters correctly in svg images

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From: Eli Zaretskii <eliz <at> gnu.org>
To: alan <at> idiocy.org
Cc: ichernyshovvv <at> gmail.com, 66941 <at> debbugs.gnu.org
Subject: bug#66941: 29.1; Emacs on Windows can't display CJK characters correctly in svg images
Date: Sun, 05 Nov 2023 08:54:27 +0200

> Cc: 66941 <at> debbugs.gnu.org
> Date: Sun, 05 Nov 2023 08:47:08 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> > (progn
> >   (require 'svg)
> >   (switch-to-buffer "*svg-test*")
> >   (let ((svg-image (svg-create 200 200))
> > 	(inhibit-read-only t))
> >     (erase-buffer)
> >     (svg-text svg-image "我喜欢自由软件" :y 100 :x 50)
> >     (svg-print svg-image)
> >     (image-mode)))
> 
> I cannot get Emacs on Windows to display _any_ non-ASCII text with the
> above recipe, not even if I use Latin-1 characters or characters from
> the current system codepage.  Emacs encodes non-ASCII characters as
> &#nnnn numbers (you can see that if you type "C-c C-c" in the
> *svg-test* buffer), which is probably correct, but the SVG image is
> not displayed for some reason.
> 
> Alan, any ideas or suggestions?

Could be a problem with the font used by librsvg to show text?  Maybe
the font doesn't have any non-ASCII characters.

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